2311313223 has 8 divisors (see below), whose sum is σ = 3082045936. Its totient is φ = 1540728000.

The previous prime is 2311313203. The next prime is 2311313237. The reversal of 2311313223 is 3223131132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2311313223 - 2¹⁸ = 2311051079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2311313223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311313203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7233 + ... + 68373.

It is an arithmetic number, because the mean of its divisors is an integer number (385255742).

Almost surely, 2^2311313223 is an apocalyptic number.

2311313223 is a deficient number, since it is larger than the sum of its proper divisors (770732713).

2311313223 is a wasteful number, since it uses less digits than its factorization.

2311313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73745.

The product of its digits is 648, while the sum is 21.

The square root of 2311313223 is about 48076.1190509384. The cubic root of 2311313223 is about 1322.1668617002.

Adding to 2311313223 its reverse (3223131132), we get a palindrome (5534444355).

The spelling of 2311313223 in words is "two billion, three hundred eleven million, three hundred thirteen thousand, two hundred twenty-three".